/**
 * 选择列表插件
 * varstion 2.0.0
 * by Houfeng
 * Houfeng@DCloud.io
 */

(function ($, window, document, undefined) {

    var MAX_EXCEED = 30;
    var VISIBLE_RANGE = 90;
    var DEFAULT_ITEM_HEIGHT = 40;
    var BLUR_WIDTH = 10;

    var rad2deg = $.rad2deg = function (rad) {
        return rad / (Math.PI / 180);
    };

    var deg2rad = $.deg2rad = function (deg) {
        return deg * (Math.PI / 180);
    };

    var platform = navigator.platform.toLowerCase();
    var userAgent = navigator.userAgent.toLowerCase();
    var isIos = (userAgent.indexOf('iphone') > -1 ||
        userAgent.indexOf('ipad') > -1 ||
        userAgent.indexOf('ipod') > -1) &&
        (platform.indexOf('iphone') > -1 ||
        platform.indexOf('ipad') > -1 ||
        platform.indexOf('ipod') > -1);
    //alert(isIos);

    var Picker = $.Picker = function (holder, options) {
        var self = this;
        self.holder = holder;
        self.options = options || {};
        self.init();
        self.initInertiaParams();
        self.calcElementItemPostion(true);
        self.bindEvent();
    };

    Picker.prototype.findElementItems = function () {
        var self = this;
        self.elementItems = [].slice.call(self.holder.querySelectorAll('li'));
        return self.elementItems;
    };

    Picker.prototype.init = function () {
        var self = this;
        self.list = self.holder.querySelector('ul');
        self.findElementItems();
        self.height = self.holder.offsetHeight;
        self.r = self.height / 2 - BLUR_WIDTH;
        self.d = self.r * 2;
        self.itemHeight = self.elementItems.length > 0 ? self.elementItems[0].offsetHeight : DEFAULT_ITEM_HEIGHT;
        self.itemAngle = parseInt(self.calcAngle(self.itemHeight * 0.8));
        self.hightlightRange = self.itemAngle / 2;
        self.visibleRange = VISIBLE_RANGE;
        self.beginAngle = 0;
        self.beginExceed = self.beginAngle - MAX_EXCEED;
        self.list.angle = self.beginAngle;
        if (isIos) {
            self.list.style.webkitTransformOrigin = "center center " + self.r + "px";
        }
    };

    Picker.prototype.calcElementItemPostion = function (andGenerateItms) {
        var self = this;
        if (andGenerateItms) {
            self.items = [];
        }
        self.elementItems.forEach(function (item) {
            var index = self.elementItems.indexOf(item);
            self.endAngle = self.itemAngle * index;
            item.angle = self.endAngle;
            item.style.webkitTransformOrigin = "center center -" + self.r + "px";
            item.style.webkitTransform = "translateZ(" + self.r + "px) rotateX(" + (-self.endAngle) + "deg)";
            if (andGenerateItms) {
                var dataItem = {};
                dataItem.text = item.innerHTML || '';
                dataItem.value = item.getAttribute('data-value') || dataItem.text;
                self.items.push(dataItem);
            }
        });
        self.endExceed = self.endAngle + MAX_EXCEED;
        self.calcElementItemVisibility(self.beginAngle);
    };

    Picker.prototype.calcAngle = function (c) {
        var self = this;
        var a = b = parseFloat(self.r);
        //直径的整倍数部分直接乘以 180
        c = Math.abs(c); //只算角度不关心正否值
        var intDeg = parseInt(c / self.d) * 180;
        c = c % self.d;
        //余弦
        var cosC = (a * a + b * b - c * c) / (2 * a * b);
        var angleC = intDeg + rad2deg(Math.acos(cosC));
        return angleC;
    };

    Picker.prototype.calcElementItemVisibility = function (angle) {
        var self = this;
        self.elementItems.forEach(function (item) {
            var difference = Math.abs(item.angle - angle);
            if (difference < self.hightlightRange) {
                item.classList.add('highlight');
            } else if (difference < self.visibleRange) {
                item.classList.add('visible');
                item.classList.remove('highlight');
            } else {
                item.classList.remove('highlight');
                item.classList.remove('visible');
            }
        });
    };

    Picker.prototype.setAngle = function (angle) {
        var self = this;
        self.list.angle = angle;
        self.list.style.webkitTransform = "perspective(1000px) rotateY(0deg) rotateX(" + angle + "deg)";
        self.calcElementItemVisibility(angle);
    };

    Picker.prototype.bindEvent = function () {
        var self = this;
        var lastAngle = 0;
        var startY = null;
        var isPicking = false;
        self.holder.addEventListener($.EVENT_START, function (event) {
            isPicking = true;
            event.preventDefault();
            self.list.style.webkitTransition = '';
            startY = (event.changedTouches ? event.changedTouches[0] : event).pageY;
            lastAngle = self.list.angle;
            self.updateInertiaParams(event, true);
        }, false);
        self.holder.addEventListener($.EVENT_END, function (event) {
            isPicking = false;
            event.preventDefault();
            self.startInertiaScroll(event);
        }, false);
        self.holder.addEventListener($.EVENT_CANCEL, function (event) {
            isPicking = false;
            event.preventDefault();
            self.startInertiaScroll(event);
        }, false);
        self.holder.addEventListener($.EVENT_MOVE, function (event) {
            if (!isPicking) {
                return;
            }
            event.preventDefault();
            var endY = (event.changedTouches ? event.changedTouches[0] : event).pageY;
            var dragRange = endY - startY;
            var dragAngle = self.calcAngle(dragRange);
            var newAngle = dragRange > 0 ? lastAngle - dragAngle : lastAngle + dragAngle;
            if (newAngle > self.endExceed) {
                newAngle = self.endExceed
            }
            if (newAngle < self.beginExceed) {
                newAngle = self.beginExceed
            }
            self.setAngle(newAngle);
            self.updateInertiaParams(event);
        }, false);
        //--
        self.list.addEventListener('tap', function (event) {
            elementItem = event.target;
            if (elementItem.tagName == 'LI') {
                self.setSelectedIndex(self.elementItems.indexOf(elementItem), 200);
            }
        }, false);
    };

    Picker.prototype.initInertiaParams = function () {
        var self = this;
        self.lastMoveTime = 0;
        self.lastMoveStart = 0;
        self.stopInertiaMove = false;
    };

    Picker.prototype.updateInertiaParams = function (event, isStart) {
        var self = this;
        var point = event.changedTouches ? event.changedTouches[0] : event;
        if (isStart) {
            self.lastMoveStart = point.pageY;
            self.lastMoveTime = event.timeStamp || Date.now();
            self.startAngle = self.list.angle;
        } else {
            var nowTime = event.timeStamp || Date.now();
            if (nowTime - self.lastMoveTime > 300) {
                self.lastMoveTime = nowTime;
                self.lastMoveStart = point.pageY;
            }
        }
        self.stopInertiaMove = true;
    };

    Picker.prototype.startInertiaScroll = function (event) {
        var self = this;
        var point = event.changedTouches ? event.changedTouches[0] : event;
        /**
         * 缓动代码
         */
        var nowTime = event.timeStamp || Date.now();
        var v = (point.pageY - self.lastMoveStart) / (nowTime - self.lastMoveTime); //最后一段时间手指划动速度  
        var dir = v > 0 ? -1 : 1; //加速度方向  
        var deceleration = dir * 0.0006 * -1;
        var duration = Math.abs(v / deceleration); // 速度消减至0所需时间  
        var dist = v * duration / 2; //最终移动多少 
        var startAngle = self.list.angle;
        var distAngle = self.calcAngle(dist) * dir;
        //----
        var srcDistAngle = distAngle;
        if (startAngle + distAngle < self.beginExceed) {
            distAngle = self.beginExceed - startAngle;
            duration = duration * (distAngle / srcDistAngle) * 0.6;
        }
        if (startAngle + distAngle > self.endExceed) {
            distAngle = self.endExceed - startAngle;
            duration = duration * (distAngle / srcDistAngle) * 0.6;
        }
        //----
        if (distAngle == 0) {
            self.endScroll();
            return;
        }
        self.scrollDistAngle(nowTime, startAngle, distAngle, duration);
    };

    Picker.prototype.scrollDistAngle = function (nowTime, startAngle, distAngle, duration) {
        var self = this;
        self.stopInertiaMove = false;
        (function (nowTime, startAngle, distAngle, duration) {
            var frameInterval = 13;
            var stepCount = duration / frameInterval;
            var stepIndex = 0;
            (function inertiaMove() {
                if (self.stopInertiaMove) return;
                var newAngle = self.quartEaseOut(stepIndex, startAngle, distAngle, stepCount);
                self.setAngle(newAngle);
                stepIndex++;
                if (stepIndex > stepCount - 1 || newAngle < self.beginExceed || newAngle > self.endExceed) {
                    self.endScroll();
                    return;
                }
                setTimeout(inertiaMove, frameInterval);
            })();
        })(nowTime, startAngle, distAngle, duration);
    };

    Picker.prototype.quartEaseOut = function (t, b, c, d) {
        return -c * ((t = t / d - 1) * t * t * t - 1) + b;
    };

    Picker.prototype.endScroll = function () {
        var self = this;
        if (self.list.angle < self.beginAngle) {
            self.list.style.webkitTransition = "150ms ease-out";
            self.setAngle(self.beginAngle);
        } else if (self.list.angle > self.endAngle) {
            self.list.style.webkitTransition = "150ms ease-out";
            self.setAngle(self.endAngle);
        } else {
            var index = parseInt((self.list.angle / self.itemAngle).toFixed(0));
            self.list.style.webkitTransition = "100ms ease-out";
            self.setAngle(self.itemAngle * index);
        }
        self.triggerChange();
    };

    Picker.prototype.triggerChange = function (force) {
        var self = this;
        setTimeout(function () {
            var index = self.getSelectedIndex();
            var item = self.items[index];
            if ($.trigger && (index != self.lastIndex || force === true)) {
                $.trigger(self.holder, 'change', {
                    "index": index,
                    "item": item
                });
                //console.log('change:' + index);
            }
            self.lastIndex = index;
            typeof force === 'function' && force();
        }, 0);
    };

    Picker.prototype.correctAngle = function (angle) {
        var self = this;
        if (angle < self.beginAngle) {
            return self.beginAngle;
        } else if (angle > self.endAngle) {
            return self.endAngle;
        } else {
            return angle;
        }
    };

    Picker.prototype.setItems = function (items) {
        var self = this;
        self.items = items || [];
        var buffer = [];
        self.items.forEach(function (item) {
            if (item !== null && item !== undefined) {
                buffer.push('<li>' + (item.text || item) + '</li>');
            }
        });
        self.list.innerHTML = buffer.join('');
        self.findElementItems();
        self.calcElementItemPostion();
        self.setAngle(self.correctAngle(self.list.angle));
        self.triggerChange(true);
    };

    Picker.prototype.getItems = function () {
        var self = this;
        return self.items;
    };

    Picker.prototype.getSelectedIndex = function () {
        var self = this;
        return parseInt((self.list.angle / self.itemAngle).toFixed(0));
    };

    Picker.prototype.setSelectedIndex = function (index, duration, callback) {
        var self = this;
        self.list.style.webkitTransition = '';
        var angle = self.correctAngle(self.itemAngle * index);
        if (duration && duration > 0) {
            var distAngle = angle - self.list.angle;
            self.scrollDistAngle(Date.now(), self.list.angle, distAngle, duration);
        } else {
            self.setAngle(angle);
        }
        self.triggerChange(callback);
    };

    Picker.prototype.getSelectedItem = function () {
        var self = this;
        return self.items[self.getSelectedIndex()];
    };

    Picker.prototype.getSelectedValue = function () {
        var self = this;
        return (self.items[self.getSelectedIndex()] || {}).value;
    };

    Picker.prototype.getSelectedText = function () {
        var self = this;
        return (self.items[self.getSelectedIndex()] || {}).text;
    };

    Picker.prototype.setSelectedValue = function (value, duration, callback) {
        var self = this;
        for (var index in self.items) {
            var item = self.items[index];
            if (item.value == value) {
                self.setSelectedIndex(index, duration, callback);
                return;
            }
        }
    };

    if ($.fn) {
        $.fn.picker = function (options) {
            //遍历选择的元素
            this.each(function (i, element) {
                if (element.picker) return;
                if (options) {
                    element.picker = new Picker(element, options);
                } else {
                    var optionsText = element.getAttribute('data-picker-options');
                    var _options = optionsText ? JSON.parse(optionsText) : {};
                    element.picker = new Picker(element, _options);
                }
            });
            return this[0] ? this[0].picker : null;
        };

        //自动初始化
        $.ready(function () {
            $('.mui-picker').picker();
        });
    }

})(window.mui || window, window, document, undefined);
//end
/**
 * 弹出选择列表插件
 * 此组件依赖 listpcker ，请在页面中先引入 mui.picker.css + mui.picker.js
 * varstion 1.0.1
 * by Houfeng
 * Houfeng@DCloud.io
 */

(function ($, document) {

    //创建 DOM
    $.dom = function (str) {
        if (typeof(str) !== 'string') {
            if ((str instanceof Array) || (str[0] && str.length)) {
                return [].slice.call(str);
            } else {
                return [str];
            }
        }
        if (!$.__create_dom_div__) {
            $.__create_dom_div__ = document.createElement('div');
        }
        $.__create_dom_div__.innerHTML = str;
        return [].slice.call($.__create_dom_div__.childNodes);
    };

    var panelBuffer = '<div class="mui-poppicker">\
		<div class="mui-poppicker-header">\
			<button class="mui-btn mui-poppicker-btn-cancel">取消</button>\
			<button class="mui-btn mui-btn-blue mui-poppicker-btn-ok">确定</button>\
			<div class="mui-poppicker-clear"></div>\
		</div>\
		<div class="mui-poppicker-body">\
		</div>\
	</div>';

    var pickerBuffer = '<div class="mui-picker">\
		<div class="mui-picker-inner">\
			<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
			<ul class="mui-pciker-list">\
			</ul>\
			<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
		</div>\
	</div>';

    //定义弹出选择器类
    var PopPicker = $.PopPicker = $.Class.extend({
        //构造函数
        init: function (options) {
            var self = this;
            self.options = options || {};
            self.options.buttons = self.options.buttons || ['取消', '确定'];
            self.panel = $.dom(panelBuffer)[0];
            document.body.appendChild(self.panel);
            self.ok = self.panel.querySelector('.mui-poppicker-btn-ok');
            self.cancel = self.panel.querySelector('.mui-poppicker-btn-cancel');
            self.body = self.panel.querySelector('.mui-poppicker-body');
            self.mask = $.createMask();
            self.cancel.innerText = self.options.buttons[0];
            self.ok.innerText = self.options.buttons[1];
            self.cancel.addEventListener('tap', function (event) {
                self.hide();
            }, false);
            self.ok.addEventListener('tap', function (event) {
                if (self.callback) {
                    var rs = self.callback(self.getSelectedItems());
                    if (rs !== false) {
                        self.hide();
                    }
                }
            }, false);
            self.mask[0].addEventListener('tap', function () {
                self.hide();
            }, false);
            self._createPicker();
            //防止滚动穿透
            self.panel.addEventListener($.EVENT_START, function (event) {
                event.preventDefault();
            }, false);
            self.panel.addEventListener($.EVENT_MOVE, function (event) {
                event.preventDefault();
            }, false);
        },
        _createPicker: function () {
            var self = this;
            var layer = self.options.layer || 1;
            var width = (100 / layer) + '%';
            self.pickers = [];
            for (var i = 1; i <= layer; i++) {
                var pickerElement = $.dom(pickerBuffer)[0];
                pickerElement.style.width = width;
                self.body.appendChild(pickerElement);
                var picker = $(pickerElement).picker();
                self.pickers.push(picker);
                pickerElement.addEventListener('change', function (event) {
                    var nextPickerElement = this.nextSibling;
                    if (nextPickerElement && nextPickerElement.picker) {
                        var eventData = event.detail || {};
                        var preItem = eventData.item || {};
                        nextPickerElement.picker.setItems(preItem.children);
                    }
                }, false);
            }
        },
        //填充数据
        setData: function (data) {
            var self = this;
            data = data || [];
            self.pickers[0].setItems(data);
        },
        //获取选中的项（数组）
        getSelectedItems: function () {
            var self = this;
            var items = [];
            for (var i in self.pickers) {
                var picker = self.pickers[i];
                items.push(picker.getSelectedItem() || {});
            }
            return items;
        },
        //显示
        show: function (callback) {
            var self = this;
            self.callback = callback;
            self.mask.show();
            document.body.classList.add($.className('poppicker-active-for-page'));
            self.panel.classList.add($.className('active'));
            //处理物理返回键
            self.__back = $.back;
            $.back = function () {
                self.hide();
            };
        },
        //隐藏
        hide: function () {
            var self = this;
            if (self.disposed) return;
            self.panel.classList.remove($.className('active'));
            self.mask.close();
            document.body.classList.remove($.className('poppicker-active-for-page'));
            //处理物理返回键
            $.back = self.__back;
        },
        dispose: function () {
            var self = this;
            self.hide();
            setTimeout(function () {
                self.panel.parentNode.removeChild(self.panel);
                for (var name in self) {
                    self[name] = null;
                    delete self[name];
                }
                ;
                self.disposed = true;
            }, 300);
        }
    });

})(mui, document);
/**
 * 日期时间插件
 * varstion 1.0.5
 * by Houfeng
 * Houfeng@DCloud.io
 */

(function ($, document) {

    //创建 DOM
    $.dom = function (str) {
        if (typeof(str) !== 'string') {
            if ((str instanceof Array) || (str[0] && str.length)) {
                return [].slice.call(str);
            } else {
                return [str];
            }
        }
        if (!$.__create_dom_div__) {
            $.__create_dom_div__ = document.createElement('div');
        }
        $.__create_dom_div__.innerHTML = str;
        return [].slice.call($.__create_dom_div__.childNodes);
    };

    var domBuffer = '<div class="mui-dtpicker" data-type="datetime">\
		<div class="mui-dtpicker-header">\
			<button data-id="btn-cancel" class="mui-btn">取消</button>\
			<button data-id="btn-ok" class="mui-btn mui-btn-blue">确定</button>\
		</div>\
		<div class="mui-dtpicker-title"><h5 data-id="title-y">年</h5><h5 data-id="title-m">月</h5><h5 data-id="title-d">日</h5><h5 data-id="title-h">时</h5><h5 data-id="title-i">分</h5></div>\
		<div class="mui-dtpicker-body">\
			<div data-id="picker-y" class="mui-picker">\
				<div class="mui-picker-inner">\
					<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
					<ul class="mui-pciker-list">\
					</ul>\
					<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
				</div>\
			</div>\
			<div data-id="picker-m" class="mui-picker">\
				<div class="mui-picker-inner">\
					<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
					<ul class="mui-pciker-list">\
					</ul>\
					<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
				</div>\
			</div>\
			<div data-id="picker-d" class="mui-picker">\
				<div class="mui-picker-inner">\
					<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
					<ul class="mui-pciker-list">\
					</ul>\
					<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
				</div>\
			</div>\
			<div data-id="picker-h" class="mui-picker">\
				<div class="mui-picker-inner">\
					<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
					<ul class="mui-pciker-list">\
					</ul>\
					<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
				</div>\
			</div>\
			<div data-id="picker-i" class="mui-picker">\
				<div class="mui-picker-inner">\
					<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
					<ul class="mui-pciker-list">\
					</ul>\
					<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
				</div>\
			</div>\
		</div>\
	</div>';

    //plugin
    var DtPicker = $.DtPicker = $.Class.extend({
        init: function (options) {
            var self = this;
            var _picker = $.dom(domBuffer)[0];
            document.body.appendChild(_picker);
            $('[data-id*="picker"]', _picker).picker();
            var ui = self.ui = {
                picker: _picker,
                mask: $.createMask(),
                ok: $('[data-id="btn-ok"]', _picker)[0],
                cancel: $('[data-id="btn-cancel"]', _picker)[0],
                y: $('[data-id="picker-y"]', _picker)[0],
                m: $('[data-id="picker-m"]', _picker)[0],
                d: $('[data-id="picker-d"]', _picker)[0],
                h: $('[data-id="picker-h"]', _picker)[0],
                i: $('[data-id="picker-i"]', _picker)[0],
                labels: $('[data-id*="title-"]', _picker),
            };
            ui.cancel.addEventListener('tap', function () {
                self.hide();
            }, false);
            ui.ok.addEventListener('tap', function () {
                var rs = self.callback(self.getSelected());
                if (rs !== false) {
                    self.hide();
                }
            }, false);
            ui.y.addEventListener('change', function (e) { //目前的change事件容易导致级联触发
                if (self.options.beginMonth || self.options.endMonth) {
                    self._createMonth();
                } else {
                    self._createDay();
                }
            }, false);
            ui.m.addEventListener('change', function (e) {
                self._createDay();
            }, false);
            ui.d.addEventListener('change', function (e) {
                if (self.options.beginMonth || self.options.endMonth) { //仅提供了beginDate时，触发day,hours,minutes的change
                    self._createHours();
                }
            }, false);
            ui.h.addEventListener('change', function (e) {
                if (self.options.beginMonth || self.options.endMonth) {
                    self._createMinutes();
                }
            }, false);
            ui.mask[0].addEventListener('tap', function () {
                self.hide();
            }, false);
            self._create(options);
            //防止滚动穿透
            self.ui.picker.addEventListener($.EVENT_START, function (event) {
                event.preventDefault();
            }, false);
            self.ui.picker.addEventListener($.EVENT_MOVE, function (event) {
                event.preventDefault();
            }, false);
        },
        getSelected: function () {
            var self = this;
            var ui = self.ui;
            var type = self.options.type;
            var selected = {
                type: type,
                y: ui.y.picker.getSelectedItem(),
                m: ui.m.picker.getSelectedItem(),
                d: ui.d.picker.getSelectedItem(),
                h: ui.h.picker.getSelectedItem(),
                i: ui.i.picker.getSelectedItem(),
                toString: function () {
                    return this.value;
                }
            };
            switch (type) {
                case 'datetime':
                    selected.value = selected.y.value + '-' + selected.m.value + '-' + selected.d.value + ' ' + selected.h.value + ':' + selected.i.value;
                    selected.text = selected.y.text + '-' + selected.m.text + '-' + selected.d.text + ' ' + selected.h.text + ':' + selected.i.text;
                    break;
                case 'date':
                    selected.value = selected.y.value + '-' + selected.m.value + '-' + selected.d.value;
                    selected.text = selected.y.text + '-' + selected.m.text + '-' + selected.d.text;
                    break;
                case 'time':
                    selected.value = selected.h.value + ':' + selected.i.value;
                    selected.text = selected.h.text + ':' + selected.i.text;
                    break;
                case 'month':
                    selected.value = selected.y.value + '-' + selected.m.value;
                    selected.text = selected.y.text + '-' + selected.m.text;
                    break;
                case 'hour':
                    selected.value = selected.y.value + '-' + selected.m.value + '-' + selected.d.value + ' ' + selected.h.value;
                    selected.text = selected.y.text + '-' + selected.m.text + '-' + selected.d.text + ' ' + selected.h.text;
                    break;
            }
            return selected;
        },
        setSelectedValue: function (value) {
            var self = this;
            var ui = self.ui;
            var parsedValue = self._parseValue(value);
            //TODO 嵌套过多，因为picker的change时间是异步(考虑到性能)的，所以为了保证change之后再setSelected，目前使用回调处理
            ui.y.picker.setSelectedValue(parsedValue.y, 0, function () {
                ui.m.picker.setSelectedValue(parsedValue.m, 0, function () {
                    ui.d.picker.setSelectedValue(parsedValue.d, 0, function () {
                        ui.h.picker.setSelectedValue(parsedValue.h, 0, function () {
                            ui.i.picker.setSelectedValue(parsedValue.i, 0);
                        });
                    });
                });
            });
        },
        isLeapYear: function (year) {
            return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
        },
        _inArray: function (array, item) {
            for (var index in array) {
                var _item = array[index];
                if (_item === item) return true;
            }
            return false;
        },
        getDayNum: function (year, month) {
            var self = this;
            if (self._inArray([1, 3, 5, 7, 8, 10, 12], month)) {
                return 31;
            } else if (self._inArray([4, 6, 9, 11], month)) {
                return 30;
            } else if (self.isLeapYear(year)) {
                return 29;
            } else {
                return 28;
            }
        },
        _fill: function (num) {
            num = num.toString();
            if (num.length < 2) {
                num = 0 + num;
            }
            return num;
        },
        _isBeginYear: function () {
            return this.options.beginYear === parseInt(this.ui.y.picker.getSelectedValue());
        },
        _isBeginMonth: function () {
            return this.options.beginMonth && this._isBeginYear() && this.options.beginMonth === parseInt(this.ui.m.picker.getSelectedValue());
        },
        _isBeginDay: function () {
            return this._isBeginMonth() && this.options.beginDay === parseInt(this.ui.d.picker.getSelectedValue());
        },
        _isBeginHours: function () {
            return this._isBeginDay() && this.options.beginHours === parseInt(this.ui.h.picker.getSelectedValue());
        },
        _isEndYear: function () {
            return this.options.endYear === parseInt(this.ui.y.picker.getSelectedValue());
        },
        _isEndMonth: function () {
            return this.options.endMonth && this._isEndYear() && this.options.endMonth === parseInt(this.ui.m.picker.getSelectedValue());
        },
        _isEndDay: function () {
            return this._isEndMonth() && this.options.endDay === parseInt(this.ui.d.picker.getSelectedValue());
        },
        _isEndHours: function () {
            return this._isEndDay() && this.options.endHours === parseInt(this.ui.h.picker.getSelectedValue());
        },
        _createYear: function (current) {
            var self = this;
            var options = self.options;
            var ui = self.ui;
            //生成年列表
            var yArray = [];
            if (options.customData.y) {
                yArray = options.customData.y;
            } else {
                var yBegin = options.beginYear;
                var yEnd = options.endYear;
                for (var y = yBegin; y <= yEnd; y++) {
                    yArray.push({
                        text: y + '',
                        value: y
                    });
                }
            }
            ui.y.picker.setItems(yArray);
            //ui.y.picker.setSelectedValue(current);
        },
        _createMonth: function (current) {
            var self = this;
            var options = self.options;
            var ui = self.ui;

            //生成月列表
            var mArray = [];
            if (options.customData.m) {
                mArray = options.customData.m;
            } else {
                var m = options.beginMonth && self._isBeginYear() ? options.beginMonth : 1;
                var maxMonth = options.endMonth && self._isEndYear() ? options.endMonth : 12;
                for (; m <= maxMonth; m++) {
                    var val = self._fill(m);
                    mArray.push({
                        text: val,
                        value: val
                    });
                }
            }
            ui.m.picker.setItems(mArray);
            //ui.m.picker.setSelectedValue(current);
        },
        _createDay: function (current) {
            var self = this;
            var options = self.options;
            var ui = self.ui;

            //生成日列表
            var dArray = [];
            if (options.customData.d) {
                dArray = options.customData.d;
            } else {
                var d = self._isBeginMonth() ? options.beginDay : 1;
                var maxDay = self._isEndMonth() ? options.endDay : self.getDayNum(parseInt(this.ui.y.picker.getSelectedValue()), parseInt(this.ui.m.picker.getSelectedValue()));
                for (; d <= maxDay; d++) {
                    var val = self._fill(d);
                    dArray.push({
                        text: val,
                        value: val
                    });
                }
            }
            ui.d.picker.setItems(dArray);
            current = current || ui.d.picker.getSelectedValue();
            //ui.d.picker.setSelectedValue(current);
        },
        _createHours: function (current) {
            var self = this;
            var options = self.options;
            var ui = self.ui;
            //生成时列表
            var hArray = [];
            if (options.customData.h) {
                hArray = options.customData.h;
            } else {
                var h = self._isBeginDay() ? options.beginHours : 0;
                var maxHours = self._isEndDay() ? options.endHours : 23;
                for (; h <= maxHours; h++) {
                    var val = self._fill(h);
                    hArray.push({
                        text: val,
                        value: val
                    });
                }
            }
            ui.h.picker.setItems(hArray);
            //ui.h.picker.setSelectedValue(current);
        },
        _createMinutes: function (current) {
            var self = this;
            var options = self.options;
            var ui = self.ui;

            //生成分列表
            var iArray = [];
            if (options.customData.i) {
                iArray = options.customData.i;
            } else {
                var i = self._isBeginHours() ? options.beginMinutes : 0;
                var maxMinutes = self._isEndHours() ? options.endMinutes : 59;
                for (; i <= maxMinutes; i++) {
                    var val = self._fill(i);
                    iArray.push({
                        text: val,
                        value: val
                    });
                }
            }
            ui.i.picker.setItems(iArray);
            //ui.i.picker.setSelectedValue(current);
        },
        _setLabels: function () {
            var self = this;
            var options = self.options;
            var ui = self.ui;
            ui.labels.each(function (i, label) {
                label.innerText = options.labels[i];
            });
        },
        _setButtons: function () {
            var self = this;
            var options = self.options;
            var ui = self.ui;
            ui.cancel.innerText = options.buttons[0];
            ui.ok.innerText = options.buttons[1];
        },
        _parseValue: function (value) {
            var self = this;
            var rs = {};
            if (value) {
                var parts = value.replace(":", "-").replace(" ", "-").split("-");
                rs.y = parts[0];
                rs.m = parts[1];
                rs.d = parts[2];
                rs.h = parts[3];
                rs.i = parts[4];
            } else {
                var now = new Date();
                rs.y = now.getFullYear();
                rs.m = now.getMonth() + 1;
                rs.d = now.getDate();
                rs.h = now.getHours();
                rs.i = now.getMinutes();
            }
            return rs;
        },
        _create: function (options) {
            var self = this;
            options = options || {};
            options.labels = options.labels || ['年', '月', '日', '时', '分'];
            options.buttons = options.buttons || ['取消', '确定'];
            options.type = options.type || 'datetime';
            options.customData = options.customData || {};
            self.options = options;
            var now = new Date();
            var beginDate = options.beginDate;
            if (beginDate instanceof Date && !isNaN(beginDate.valueOf())) { //设定了开始日期
                options.beginYear = beginDate.getFullYear();
                options.beginMonth = beginDate.getMonth() + 1;
                options.beginDay = beginDate.getDate();
                options.beginHours = beginDate.getHours();
                options.beginMinutes = beginDate.getMinutes();
            }
            var endDate = options.endDate;
            if (endDate instanceof Date && !isNaN(endDate.valueOf())) { //设定了结束日期
                options.endYear = endDate.getFullYear();
                options.endMonth = endDate.getMonth() + 1;
                options.endDay = endDate.getDate();
                options.endHours = endDate.getHours();
                options.endMinutes = endDate.getMinutes();
            }
            options.beginYear = options.beginYear || (now.getFullYear() - 5);
            options.endYear = options.endYear || (now.getFullYear() + 5);
            var ui = self.ui;
            //设定label
            self._setLabels();
            self._setButtons();
            //设定类型
            ui.picker.setAttribute('data-type', options.type);
            //生成
            self._createYear();
            self._createMonth();
            self._createDay();
            self._createHours();
            self._createMinutes();
            //设定默认值
            self.setSelectedValue(options.value);
        },
        //显示
        show: function (callback) {
            var self = this;
            var ui = self.ui;
            self.callback = callback || $.noop;
            ui.mask.show();
            document.body.classList.add($.className('dtpicker-active-for-page'));
            ui.picker.classList.add($.className('active'));
            //处理物理返回键
            self.__back = $.back;
            $.back = function () {
                self.hide();
            };
        },
        hide: function () {
            var self = this;
            if (self.disposed) return;
            var ui = self.ui;
            ui.picker.classList.remove($.className('active'));
            ui.mask.close();
            document.body.classList.remove($.className('dtpicker-active-for-page'));
            //处理物理返回键
            $.back = self.__back;
        },
        dispose: function () {
            var self = this;
            self.hide();
            setTimeout(function () {
                self.ui.picker.parentNode.removeChild(self.ui.picker);
                for (var name in self) {
                    self[name] = null;
                    delete self[name];
                }
                ;
                self.disposed = true;
            }, 300);
        }
    });

})(mui, document);